Gravity bong cap



FIG. 1 is an isometric view of a gravity bong cap, shown in use;

FIG. 2 is an isometric view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left elevation view thereof, the right elevation view being a mirror thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines consisting of evenly spaced lines in FIG. 1 depict environmental subject matter that forms no part of the claimed design, while the broken lines consisting of evenly spaced lines in FIG. 7 depict unclaimed portions of the gravity bong cap that form no part of the claimed design.

The cutaway symbols illustrated in break lines in the drawings indicate a symbolic break in the length of the design for the gravity bong cap. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a gravity bong cap, as shown and described. 